<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>图像标签</title>
</head>
<body>
    <img src="./img/3.jpg" alt="图像名称" width="400" height="400">
    <img src="./img/3.jpg" alt="图像名称" width="300" height="300">
    <img src="./img/3.jpg" alt="图像名称" width="200" height="200">
</body>
</html>